Mould for manufacturing moulded material-covered product

Details Mould for manufacturing moulded material-covered product Mould for manufacturing moulded material-covered product

1991-03-18

1992-03-24

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

249 93, 249 95, 264 468, 425188, 425195, 425388, 425442, B29C 3910, B29C 3926

Patent

active

050982702

ABSTRACT:
A mould for moulding the moulded product is also provided which includes a bottom and side wall formation surrounding the bottom proximate the periphery of the bottom, the bottom carrying on its surface a design to be carried by the moulded product, the bottom being separate from the side wall formation so that the side wall formation can be spaced from the bottom and be lowered to engage the bottom proximate the periphery of the bottom. The bottom may be one piece or may include a base supporting a tongue moveable to a raised position for receiving a bag or sack of material for the purposes of injecting foamable thermoplastics material onto the bag or sack.

REFERENCES:
patent: 3576930 (1971-04-01), Watters et al.
patent: 3878277 (1975-04-01), Velte
patent: 4207278 (1980-06-01), Cowen et al.
patent: 4552522 (1985-11-01), Van Melle
patent: 4715916 (1987-12-01), Shimada
patent: 4740260 (1988-04-01), Selbert
patent: 4853995 (1989-08-01), Bethell et al.
patent: 5000805 (1991-03-01), Lowe
Industrie des Plastiques Modernes, vol. 8, No. 8, 10th Sep. 1956, p. 26: "Outillages et Procedes" * FIGS. 3-5; paragraph: Air Comprime*.

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